Does this make a noise when the beam is broken ?

No. You must use a relay to power a siren or strobe. All the beam sensors operate this way. You have open or closed contacts. I use 4 of these sensors connected to a niles ipc6 intelligent power controller to turn on an electric fence, a 135 db siren, strobe lights, a laser show and multiple light beams. All trigger on in a programmed on and off sequence when the beam is tripped.

Minimum Spacing between sensors?

6 ft was the shortest distance I achieved

What is the signal output when a person is detected?

Good day,this item the signal output when a person is detected is 100 meter

Are they just IR sensors, what are power supply they need ?

Need 12v power supply,have a Positive and negative

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Dual Laser Detector Alarm Beam Sensor Indoor 300m Outdoor 60m Infrared Detector 6.7"x3.1"

Product ID: 68587740

Details

Brand
Dahszhi
Color
Black
Compatible Devices
Security
Mounting Type
Wall Mount
Power Source
External Power

⚡Auto power adjustment for efficiency

📡300m indoor detection range

🌧️Rain & false alarm resistant optics

JD 72.81

Duties & taxes included

In stock

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Description

🚨 Lock down your perimeter with laser precision — don’t let security be an afterthought!

ROBUST WEATHER IMMUNITY - Lensed optics provide reliable operation even in rain, snow, mist, or high humidity.
EXTENDED DETECTION RANGE - Covers up to 300 meters indoors and 60 meters outdoors for versatile security setups.
SEAMLESS INTEGRATION READY - Compatible with most security systems and includes built-in laser alignment for quick installation.
PRECISION DUAL BEAM SECURITY - Twin infrared beams ensure pinpoint perimeter protection with minimal false alarms.
SMART ENVIRONMENTAL ADAPTATION - Automatic transmit power adjustment extends sensor life and reduces energy use.

The Dual Laser Detector Alarm Beam Sensor offers advanced infrared dual-beam technology with a maximum indoor detection range of 300 meters and 60 meters outdoors. Featuring lensed optics for superior false alarm immunity and automatic power adjustment for durability and energy efficiency, this sensor is ideal for professional-grade perimeter security in offices, homes, and commercial spaces. Easy to install with built-in laser alignment, it integrates seamlessly into existing security systems to provide reliable, real-time intrusion alerts.

Specifications

ASIN	B07CSHT8RB
Best Sellers Rank	#103,106 in Electronics ( See Top 100 in Electronics ) #370 in Motion Detectors (Electronics)
Brand	Dahszhi
Color	Black
Compatible Devices	Security Systems
Customer Reviews	4.1 4.1 out of 5 stars (133)
Manufacturer	Shenzhendahongsuanzhidianzishangwuyouxiangongsi
Maximum Range	300 Meters
Mfr Part Number	136
Model Number	5823824122
Mounting Type	Wall Mount
Power Source	External Power Supply
Sensor Technology	Infrared Sensor
Size	6.7" x 3.1"
UPC	604213498229

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